Nimbus JOSE+JWT up to 4.35 cryptographic issue

Summaryinfo

A vulnerability classified as problematic was found in Nimbus JOSE+JWT up to 4.35. Impacted is an unknown function. Executing a manipulation can lead to cryptographic issue. This vulnerability is handled as CVE-2017-12974. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Nimbus JOSE+JWT up to 4.35. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality. CVE summarizes:

Nimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve, which allows attackers to conduct an Invalid Curve Attack in environments where the JCE provider lacks the applicable curve validation.

The bug was discovered 04/13/2017. The weakness was released 08/20/2017 (Website). The advisory is shared for download at bitbucket.org. This vulnerability was named CVE-2017-12974 since 08/20/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability was handled as a non-public zero-day exploit for at least 129 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.36 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2022-0770). Entries connected to this vulnerability are available at VDB-105615 and VDB-105614. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• IBM DB2
• Red Hat Enterprise Linux
• IBM SPSS
• EMC Avamar
• Hitachi Ops Center

Productinfo

Vendor

• Nimbus

Name

• JOSE+JWT

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31
• 4.32
• 4.33
• 4.34
• 4.35

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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